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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 
     18 package android.app;
     19 
     20 import android.content.Context;
     21 import android.os.Binder;
     22 import android.os.RemoteException;
     23 import android.os.IBinder;
     24 import android.os.ServiceManager;
     25 import android.util.Slog;
     26 import android.view.View;
     27 
     28 import com.android.internal.statusbar.IStatusBarService;
     29 
     30 /**
     31  * Allows an app to control the status bar.
     32  *
     33  * @hide
     34  */
     35 public class StatusBarManager {
     36 
     37     public static final int DISABLE_EXPAND = View.STATUS_BAR_DISABLE_EXPAND;
     38     public static final int DISABLE_NOTIFICATION_ICONS = View.STATUS_BAR_DISABLE_NOTIFICATION_ICONS;
     39     public static final int DISABLE_NOTIFICATION_ALERTS
     40             = View.STATUS_BAR_DISABLE_NOTIFICATION_ALERTS;
     41     public static final int DISABLE_NOTIFICATION_TICKER
     42             = View.STATUS_BAR_DISABLE_NOTIFICATION_TICKER;
     43     public static final int DISABLE_SYSTEM_INFO = View.STATUS_BAR_DISABLE_SYSTEM_INFO;
     44     public static final int DISABLE_HOME = View.STATUS_BAR_DISABLE_HOME;
     45     public static final int DISABLE_RECENT = View.STATUS_BAR_DISABLE_RECENT;
     46     public static final int DISABLE_BACK = View.STATUS_BAR_DISABLE_BACK;
     47     public static final int DISABLE_CLOCK = View.STATUS_BAR_DISABLE_CLOCK;
     48 
     49     @Deprecated
     50     public static final int DISABLE_NAVIGATION =
     51             View.STATUS_BAR_DISABLE_HOME | View.STATUS_BAR_DISABLE_RECENT;
     52 
     53     public static final int DISABLE_NONE = 0x00000000;
     54 
     55     public static final int DISABLE_MASK = DISABLE_EXPAND | DISABLE_NOTIFICATION_ICONS
     56             | DISABLE_NOTIFICATION_ALERTS | DISABLE_NOTIFICATION_TICKER
     57             | DISABLE_SYSTEM_INFO | DISABLE_RECENT | DISABLE_HOME | DISABLE_BACK | DISABLE_CLOCK;
     58 
     59     private Context mContext;
     60     private IStatusBarService mService;
     61     private IBinder mToken = new Binder();
     62 
     63     StatusBarManager(Context context) {
     64         mContext = context;
     65     }
     66 
     67     private synchronized IStatusBarService getService() {
     68         if (mService == null) {
     69             mService = IStatusBarService.Stub.asInterface(
     70                     ServiceManager.getService(Context.STATUS_BAR_SERVICE));
     71             if (mService == null) {
     72                 Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE");
     73             }
     74         }
     75         return mService;
     76     }
     77 
     78     /**
     79      * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
     80      * To re-enable everything, pass {@link #DISABLE_NONE}.
     81      */
     82     public void disable(int what) {
     83         try {
     84             final IStatusBarService svc = getService();
     85             if (svc != null) {
     86                 svc.disable(what, mToken, mContext.getPackageName());
     87             }
     88         } catch (RemoteException ex) {
     89             // system process is dead anyway.
     90             throw new RuntimeException(ex);
     91         }
     92     }
     93 
     94     /**
     95      * Expand the status bar.
     96      */
     97     public void expand() {
     98         try {
     99             final IStatusBarService svc = getService();
    100             if (svc != null) {
    101                 svc.expand();
    102             }
    103         } catch (RemoteException ex) {
    104             // system process is dead anyway.
    105             throw new RuntimeException(ex);
    106         }
    107     }
    108 
    109     /**
    110      * Collapse the status bar.
    111      */
    112     public void collapse() {
    113         try {
    114             final IStatusBarService svc = getService();
    115             if (svc != null) {
    116                 svc.collapse();
    117             }
    118         } catch (RemoteException ex) {
    119             // system process is dead anyway.
    120             throw new RuntimeException(ex);
    121         }
    122     }
    123 
    124     public void setIcon(String slot, int iconId, int iconLevel, String contentDescription) {
    125         try {
    126             final IStatusBarService svc = getService();
    127             if (svc != null) {
    128                 svc.setIcon(slot, mContext.getPackageName(), iconId, iconLevel,
    129                     contentDescription);
    130             }
    131         } catch (RemoteException ex) {
    132             // system process is dead anyway.
    133             throw new RuntimeException(ex);
    134         }
    135     }
    136 
    137     public void removeIcon(String slot) {
    138         try {
    139             final IStatusBarService svc = getService();
    140             if (svc != null) {
    141                 svc.removeIcon(slot);
    142             }
    143         } catch (RemoteException ex) {
    144             // system process is dead anyway.
    145             throw new RuntimeException(ex);
    146         }
    147     }
    148 
    149     public void setIconVisibility(String slot, boolean visible) {
    150         try {
    151             final IStatusBarService svc = getService();
    152             if (svc != null) {
    153                 svc.setIconVisibility(slot, visible);
    154             }
    155         } catch (RemoteException ex) {
    156             // system process is dead anyway.
    157             throw new RuntimeException(ex);
    158         }
    159     }
    160 }
    161